2011 Confidence Interval Detail
229/Tyler
229-905/Spurger ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,054,512 | 0.9526 | 7,405,534 | 10 | 238 | .006584734 |
| A | 7,267,997 | 1.0059 | 7,225,367 | 10 | 132 | .025092983 |
| A | 7,029,000 | 1.0401 | 6,758,004 | 11 | 89 | .025217449 |
| A | 6,639,405 | 1.0182 | 6,520,728 | 10 | 49 | .004725488 |
| D3 | 16,860,528 | 0.9856 | 17,106,867 | 15 | 1,023 | .040238831 |
| G1 | 16,912,640 | 1.0054 | 16,821,802 | 11 | 28 | .001966346 |
| Random Totals: | 61,764,082 | 61,838,302 | 67 | 1,559 | ||
| Catg D1 Exception Values: | 9,226,180 | 8,947,080 | ||||
| Total Test Values (4): | 70,990,262 | 70,785,382 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 3,539,269 |
Confidence Interval Values (5)
| State Lower Limit: | 67,246,113 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 70,990,262 | (Within Confidence Interval) |
| State Upper Limit: | 74,324,651 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 65,677,924 | (See ISD Summary Worksheet) |
Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories